18 Example:Metric definition Name Definition Performance capability of web server The number of threads that can receive and process HTTP requests. States Normal Operational State: The number of threads matches the estimated capacity of the underlying resources. Measuring Overloaded Operational State: The number of threads are higher than the maximal estimated for the underlying resources. Unusable Operational State: The number of processing threads cannot be determined. Measurement Unit piece Range non-negative integer Type Low level The web server should be instrumented with an SNMP agent exposing this attribute. Frequency periodical, every 3 minutes Evaluation Method classification (see states above) Time range evaluation is instantaneous

22 Overview of advanced evaluation Infrastructure Nagios Nagios stores the plugins output in the database Event Correlation Monitoring Database data We check the database periodically for new information and forward it to the rule engine Rule Engine advice, alerts, action Alert Rules logic The rule engine matches the rules against the received information If a rule matched we could react

23 CoMiFinControlLoop

24 Examplemetric Name Definition Performance capability of web server The number of threads that can receive and process HTTP requests. States Normal Operational State: The number of threads matches the estimated capacity of the underlying resources. Measuring Overloaded Operational State: The number of threads are higher than the maximal estimated for the underlying resources. Unusable Operational State: The number of processing threads cannot be determined. Measurement Unit piece Range non-negative integer Type Low level The web server should be instrumented with an SNMP agent exposing this attribute. Frequency periodical, every 3 minutes Evaluation Method classification (see states above) Time range evaluation is instantaneous 24

31 Connectivity of Semantic Rooms Vision: CoMiFin as a platform (D6.5) o Framework for information sharing among FIs o A trusted third party platform Connectivity in CoMiFin o Allows for propagating alerts among SRs oimproves the quality of Event Processing with additional input o Improves the capability of CoMiFin to detect attacks ofacilitates the creation of new services built on a combination of SRs improves the ability of FIs to prevent attacks

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